document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=563344>Question 563344</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Let f(x)=x2+x+14. What is the value of f(x) for which the tangent line to the graph of y=f(x) is parallel to the x -axis?<BR>\n" );
document.write( "f(x)=   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #364851 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=364851\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f(x)=x^2+x+14. What is the value of f(x) for which the tangent line to the graph of y=f(x) is parallel to the x -axis?<BR>\n" );
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document.write( "f(x)=x^2+x+14<BR>\n" );
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document.write( "slope = 2x+1<BR>\n" );
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document.write( "Parallel to the x-axis means slope = 0.<BR>\n" );
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document.write( "2x+1 = 0<BR>\n" );
document.write( "x = -1/2<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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